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<head><meta charset="utf-8"><title>How far are we from removing the old borrowck? · t-compiler · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/index.html">t-compiler</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/How.20far.20are.20we.20from.20removing.20the.20old.20borrowck.3F.html">How far are we from removing the old borrowck?</a></h3>

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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/How%20far%20are%20we%20from%20removing%20the%20old%20borrowck%3F/near/172907464" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Charles Lew <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/How.20far.20are.20we.20from.20removing.20the.20old.20borrowck.3F.html#172907464">(Aug 10 2019 at 03:54)</a>:</h4>
<p>I wonder how far are we from removing the ast borrow checker entirely?</p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/How%20far%20are%20we%20from%20removing%20the%20old%20borrowck%3F/near/172909091" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> centril <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/How.20far.20are.20we.20from.20removing.20the.20old.20borrowck.3F.html#172909091">(Aug 10 2019 at 04:48)</a>:</h4>
<p>There are a few steps remaining:<br>
1. Make all downgraded NLL errors into errors again.<br>
2. Fix the soundness holes in NLL.<br>
3. Remove AST borrowck</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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